bash (scripting) colors

color_function.sh

#!/bin/sh

add_color(){
#colors declaration
    NORMAL='\\033[0m'
    GREEN='\\033[0;32m'
    RED='\\033[0;31m'
    YELLOW='\\033[0;33m'
    
#recognize INFO,ERROR,SUCCESS
    local rec_string=$(echo $1 | egrep -o '^[a-Z]{4}')
    if [[ $rec_string == "INFO"  ]]; then
        local output_string=$(echo $1 | sed "s|INFO:|$YELLOW INFO: $NORMAL|g")
    elif [[ $rec_string == "ERRO"  ]]; then
        local output_string=$(echo $1 | sed "s|ERROR:|$RED ERROR: $NORMAL|g")
    elif [[ $rec_string == "SUCC"  ]]; then
        local output_string=$(echo $1 | sed "s|SUCCESS:|$GREEN SUCCESS: $NORMAL|g")
    else
        echo "Can't recognize string: $rec_string"
    fi
    echo -e $output_string

}

add_color "INFO: This is yellow output"
add_color "ERROR: This is red output"
add_color "SUCCESS: This is green output"